*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}
.header{
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)),url(images/kkklli.png);
    background-position: center;
    background-size: cover;
    position: relative;
}
.logo{
    border-radius: 10px;
}
nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}

nav img{
    width: 150px
}
.nav-links{
    flex: 1;
    text-align: right;
}
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 13px;
}
.nav-links ul li::after{
    content: "";
    width: 0%;
    height: 2px;
    background: #f44336;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover::after{
    width: 100%;
}
.text-box{
    width: 90%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}
.text-box h1{
    font-size: 60px;
}
.text-box p{
    margin: 10px 0 40px;
    font-size: 14px;
    color: #fff;
}
.hero-btn{
    display: inline-block;
    text-decoration: none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
}
.hero-btn:hover{
    border: 1px solid #f44336;
    background: #f44336;
    transition: 1s;
}

nav .fa{
    display: none;
}
@media(max-width: 700px){
    .text-box h1{
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }
    .nav-links{
        position: fixed;
        background: #f44336;
        height:100vh;
        width: 200px;
        top: 0;
        right: -200px;
        text-align: left;
        z-index: 2;
        transition: 1s;
    }
    nav .fa{
        display: block;
        color:#fff;
        margin: 10px;
        font-size: 22px;
        cursor: pointer;
    }
    .nav-links ul{
        padding: 30px;
    }
}

/*------ course ------*/

.course{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
h1{
    font-size:36px;
    font-weight: 600;
}
p{
    color: #777;
    font-size: 14px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}
.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.course-col{
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
}
.h3{
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}
.course-col:hover{
    box-shadow: 0 0 20px rgba(0,0,0,0.2); 
}
@media(max-width: 700px){
    .row{
        flex-direction: column;
    }
}

/*------ campus -----*/

.campus{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;
}
.campus-col{
    flex-basis: 48%;
    border-radius: 10px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    justify-content: space-between;
}

.campus-col img{
    width: 100%;
    display: block;
}
.layer{
    background: transparent;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.5s;
}
.layer:hover{
    background: rgba(226,0,0,0.7);
}
.layer h3{
    width: 100%;
    font-weight: 500;
    color: #fff;
    font-size: 26px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    opacity: 0;
    transition: 0.5s;
}
.layer:hover h3{
    bottom: 49%;
    opacity: 1;
}

/* ----- facilitiies -----*/
.facilities{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
.facilities-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
}
.facilities-col img{
    width: 100%;
    border-radius: 10px;
}
.facilities-col p{
    padding: 0;
}
.facilities-col h3{
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: left;
}

/* ----- testimonials -----*/
.testimonials{
    width: 80%;
    margin: auto;
    padding-top: 100px;
    text-align: center;
}

.testimonials-col{
    flex-basis: 44%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
    background: #fff3f3;
    padding: 25;
    cursor: pointer;
    display: flex;
}
.testimonials-col img{
    height: 40px;
    margin-left: 5px;
    margin-right: 30px;
    border-radius: 50%;
}

.testimonials-col{
    padding: 0;
}
.testimonials-col h3{
    margin-top: 15px;
    text-align: left;
}
.testimonials-col .fa{
    color: #f44336;
}
@media(max-width: 700px){
    .testimonials-col img{
        margin-left: 0;
        margin-right: 15px;
    }
}

/*--- call to action ---*/
.cta{
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7)),url(images/ccc.png);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
}
.cta h1{
    color: #fff;
    margin-bottom: 40px;
    padding: 0;
}
.cta h3{
    color: #fff;
    margin-bottom: 40px;
    padding: 0;
}


@media(max-width: 700px){
    .cta h1{
        font-size: 24px;
    }
}

/* --- footer ---- */
.footer{
    width: 100%;
    text-align: center;
    padding: 30px 0;
}
.footer h4{
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 600;
}

.icons .fa{
    color: #f44336;
    margin: 0 30px;
    cursor: pointer;
    padding: 18px 0;
    text-decoration: none;
}

.icons .btn-upper{
    position: absolute;
    right: 50px;
    font-size: 30px;
}

.icons .btn-upper{
    align-content: left;
}

/* ----- About Us Page -----*/

.sub-header{
	height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)),url(images/aboutusone.jpg);
    background-position: center;
    background-size: cover;
    text-align: center;
    color: #fff;
    position: relative; /* REQUIRED for ::before positioning */
    z-index: 1; /* Ensures text content stays on top */
    overflow: hidden; /* Recommended to clip any background overflow */
}

.sub-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Place behind the text content */
    opacity: 0; /* Start hidden */
    
    /* Apply the animation for a 20s cycle (4 images * 5s each) */
    animation: four-image-cycle 20s infinite;
    /* Common background properties */
    background-position: center; 
    background-size: cover;
}



@keyframes four-image-cycle {
    
    /* 1. Image 1 is visible (opacity 0) */
    0% { opacity: 0; }
    24% { opacity: 0; } 
    
    /* 2. Jump to Image 2 (image-2.jpg) */
    25% { 
        opacity: 1; /* Fade in ::before */
        background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/des engin.png); 
    }

    /* 3. Jump to Image 3 (image-3.jpg) */
    50% { 
        background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/cost est.jpg); 
    }

    /* 4. Jump to Image 4 (image-4.jpg) */
    75% { 
        background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/struct fn.jpg); 
    }
    
    /* 5. Fade out to Image 1 */
    99% { opacity: 1; } /* Hold Image 4 */
    100% { opacity: 0; } /* Reveals Image 1 and restarts the loop */
}




.sub-header{
    margin-top: 0;
}

/* -- slideshower -- */
.mySlides {
    display: none;
}
.slideshow-container{
    max-width: 100%;
    position: relative;
    margin: auto;
}
.dot-position{
    text-align: center;
}

.dot{
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active {
  background-color: #717171;
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}


@media only screen and (max-width: 700px) {
  .text {font-size: 11px}
}

.about-us{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    padding-block: 50px;
}
.about-col{
    flex-basis: 48%;
    padding: 30px 2px;
}
.about-col img{
    width: 100%;
    border-radius: 20px;
}
.about-col h1{
    padding: 0;
}
.about-col p{
    padding: 15px 0 25px;
}
.red-btn{
    border: 1px solid #f44336;
    border-radius: 10px;
    background: transparent;
    color: #f44336;
}
.red-btn:hover{
    color: #fff;
}


/* ------ services-content -----*/
.services-content{
    width: 80%;
    margin: auto;
    padding: 60px 0;
}
.services-left{
    flex-basis: 65%; /* -- bcos e left column will be large -- */

}
.services-left img{
    width: 100%;
    border-radius: 20px;
}
.services-left h2{
    color: #222;
    font-weight: 600;
    margin: 30px 0;
}
.services-left p{
    width: 100%;
    color: #999;
    padding: 0;
}
.services-right{
    flex-basis: 32%;
}
.services-right h3{
    background: #f44336;
    color: #fff;
    padding: 7px 30px;
    font-size: 16px;
    margin-bottom: 20px;
}
.services-right div{
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #555;
    padding: 8px;
    box-sizing: border-box;
}
.comment-box{
    border: 0px solid #ccc;
    margin: 50px 0;
    padding: 10px 20px;
}
.comment-box h3{
    text-align: left;
}
.comment-form input, .comment-form textarea{
    width: 100%;
    padding: 10px;
    margin: 15px 0;
    box-sizing: border-box;
    border: none;
    outline: none;
    background: #f0f0f0;
    height: 75px;
}
.comment-form button{
    margin: 10px 0;
}
@media(max-width: 700px){
    .sub-header h1{
        font-size: 24px;
    }
    .comment-box{
        margin-top: 300px;
    }
}


/*------ contact us pagae ------*/

.location{
    width: 80%;
    margin: auto;
    padding: 80px 0;
}

.location iframe{
    width: 100%;
}


.map-col{
    flex-basis: 48%;
    border-radius: 10px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    justify-content: space-between;
}

.map-col img{
    width: 100%;
    display: block;
}


.contact-us{
    width: 80%;
    margin: auto;
}

.contact-col{
    flex-basis: 48%;
    margin-bottom: 30px;
}

.contact-col div{
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.contact-col div .fa{
    font-size: 28px;
    color: #f44336;
    margin: 10px;
    margin-right: 30px;
}

.contact-col div p{
    padding: 0;
}
.contact-col div h5{
    font-size: 20px;
    margin-bottom: 5px;
    color: #555;
    font-weight: 400;
}
.contact-col input, .contact-col textarea{
    width: 100%;
    padding: 15px;
    margin-bottom: 17px;
    outline: none;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.proj-clickable-img  img{
            cursor: pointer;
            width:100%;
            height:190px;
            border: 0px solid #ccc;
            border-radius: 10px;
        }
}